C# Net 5 Process terminated. Couldn’t find a valid ICU package installed on the system

Program compiled with net 5 as single file for linux.
You get this error:

Process terminated. Couldn't find a valid ICU package installed on the system. Set the configuration flag System.Globalization.Invariant to true if you want to run with no globalization support.
   at System.Environment.FailFast(System.String)
   at System.Globalization.GlobalizationMode.GetGlobalizationInvariantMode()
   at System.Globalization.GlobalizationMode..cctor()
   at System.Globalization.CultureData.CreateCultureWithInvariantData()
   at System.Globalization.CultureData.get_Invariant()
   at System.Globalization.TextInfo..cctor()
   at System.Text.EncodingHelper.GetCharset()
   at System.Text.EncodingHelper.GetEncodingFromCharset()
   at System.ConsolePal.GetConsoleEncoding()
   at System.ConsolePal.get_OutputEncoding()
   at System.Console.get_OutputEncoding()
   at System.Console.CreateOutputWriter(System.IO.Stream)
   at System.Console.<get_Out>g__EnsureInitialized|25_0()
   at System.Console.get_Out()
   at System.Console.WriteLine(System.String)
 [...]
Abgebrochen (Speicherabzug geschrieben)

This fixed it for me:

export DOTNET_SYSTEM_GLOBALIZATION_INVARIANT=1